(Verb) Street Slang used by many to replace the word Police. Originated from an old Cop show called Hawaii Five-O. It aired from September 1968 to April 1980. The "Five-O" in the title then became a commonly used word for Police.

Slang for police. Origin unclear, likely derived from the 1970's TV police drama "Hawaii 5-0" although it has been suggested to refer to the "5.0" emblems on Ford Mustang police cars used by many agencies in the late 1980's-1990's.